English verb conjugation
COULD CARBURISE

Regular verb: carburise - carburised - carburised

Affirmation

Simple form	V-ing form
I could carburise you could carburise he could carburise we could carburise you could carburise they could carburise	I could be carburising you could be carburising he could be carburising we could be carburising you could be carburising they could be carburising
Perfect	V-ing perfect
I could have carburised you could have carburised he could have carburised we could have carburised you could have carburised they could have carburised	I could have been carburising you could have been carburising he could have been carburising we could have been carburising you could have been carburising they could have been carburising

Negation

Simple form	V-ing form
I could not carburise you could not carburise he could not carburise we could not carburise you could not carburise they could not carburise	I could not be carburising you could not be carburising he could not be carburising we could not be carburising you could not be carburising they could not be carburising
Perfect	V-ing perfect
I could not have carburised you could not have carburised he could not have carburised we could not have carburised you could not have carburised they could not have carburised	I could not have been carburising you could not have been carburising he could not have been carburising we could not have been carburising you could not have been carburising they could not have been carburising

Interrogative form

Simple form	V-ing form
could I carburise? could you carburise? could he carburise? could we carburise? could you carburise? could they carburise?	could I be carburising? could you be carburising? could he be carburising? could we be carburising? could you be carburising? could they be carburising?
Perfect	V-ing perfect
could I have carburised? could you have carburised? could he have carburised? could we have carburised? could you have carburised? could they have carburised?	could I have been carburising? could you have been carburising? could he have been carburising? could we have been carburising? could you have been carburising? could they have been carburising?

Interro-negative form

Simple form	V-ing form
could I not carburise? could you not carburise? could he not carburise? could we not carburise? could you not carburise? could they not carburise?	could I not be carburising? could you not be carburising? could he not be carburising? could we not be carburising? could you not be carburising? could they not be carburising?
Perfect	V-ing perfect
could I not have carburised? could you not have carburised? could he not have carburised? could we not have carburised? could you not have carburised? could they not have carburised?	could I not have been carburising? could you not have been carburising? could he not have been carburising? could we not have been carburising? could you not have been carburising? could they not have been carburising?